Four new monoraphid diatom species (Bacillariophyta, Achnanthaceae) from the Maritime Antarctic Region

Four monoraphid taxa belonging to the genera Achnanthes , Psammothidium and Planothidium were found during the ongoing taxonomic revision of the freshwater and limno-terrestrial diatoms of the Maritime Antarctic region. The present paper describes these four taxa as new based on detailed light and s...

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Bibliographic Details
Published in:European Journal of Taxonomy
Main Authors: Kateřina Kopalová, Ralitsa Zidarova, Bart Van de Vijver
Format: Article in Journal/Newspaper
Language:English
Published: Consortium of European Natural History Museums 2016
Subjects:
Achnanthes
Planothidium
Psammothidium
new species
biogeography
Antarctica
Zoology
QL1-991
Botany
QK1-989
Antarctic
Antarc*
Online Access:https://doi.org/10.5852/ejt.2016.217
https://doaj.org/article/a9120ed7da8845499576f34a202f2928
Description
Summary:Four monoraphid taxa belonging to the genera Achnanthes , Psammothidium and Planothidium were found during the ongoing taxonomic revision of the freshwater and limno-terrestrial diatoms of the Maritime Antarctic region. The present paper describes these four taxa as new based on detailed light and scanning electron microscopy observations: Achnanthes kohleriana Kopalová, Zidarova & Van de Vijver sp. nov., Planothidium wetzelectorianum Kopalová, Zidarova & Van de Vijver sp. nov., Psammothidium confusoneglectum Kopalová, Zidarova & Van de Vijver sp. nov. and Psammothidium superpapilio Kopalová, Zidarova & Van de Vijver sp. nov. The morphology and ecology of all four taxa are discussed and the species are compared with morphologically similar taxa.

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